#ifndef HISTOGRAM_H
#define HISTOGRAM_H

#include <QWidget>
#include <QPainter>
#include <QPaintEvent>
#include <QPaintDevice>
#include "ventana.h"

class histogram : public QWidget
{
public:
    Ventana *v;
    histogram(QWidget *parent=0);
    void paintEvent(QPaintEvent *p);
};

#endif // HISTOGRAM_H
